Eico Sine and Square Audio Wave Generator | eBay!. Audio Generator Equipment EICO Electronic Instrument Brooklyn, build , 11 pictures, 2 schematics, 5 tubes, United States of America. Used Eico Vacuum tubes for sale on + second hand hifi sites & shops. Use Hifi Shark to monitor pricing and global availability.

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I am guessing that in stock form the generator eicco not be adjusted low enough in level or precisely enough for the application without some additional attenuation.

Chrome DinetteDec 28, A copy of the correct manual for your generator may still come to light. Sign in for more lists. More chances to get what you want Feedback on our suggestions – More chances to get what you want.

Yes, my password is: Silicon diodes are used for the power supply rectifiers instead of a 6X5. The Eico is also likely more forgiving. Estimated on or before Thu.

Eico Sine and Square Audio Wave Generator | eBay

Switching the two produced an unrecognizable form, so I figured that wasn’t correct, or the instrument is broken. You simply have a newer version of the generator than the schematic that was posted on BAMA. I never thought about it being a newer model. BaxtercatDec 28, The only minor reason for this is that if something goes wrong while testing boat anchors, for example, and because of their higher voltages involved I would sico to repair the Eico over the more precise HP.


Sep Mon 05, 9: Email to friends Share on Facebook – opens in a new window or tab Share on Twitter – opens in a eivo window or tab Share on Pinterest – opens in a new window or tab. The tubes called out on the schematic you posted are octals. Home Forums Recent Posts. Getting to them isn’t simple.

Eico 377 to 5c1 Champ conversion

However, Eico’s documentation always matched the item that was shipped; your generator came with a manual that reflected the tube line-up in it. You must log in or sign up to reply here. When I opened it up, it was obvious this thing has taken a fall of major proportions.

So it is possible those tubes were just thrown in there. Email to friends Share on Facebook – opens in a new window or tab Share on Twitter – opens in a new window or tab Share on Pinterest – opens in a new window or tab Add to watch list.

Too funny, love it. As for yours, I think I see a diode on the terminal strip eifo the transformer secondary winding leads all connect to, eliminating the need for the rectifier tube. No, create an account now. The version arrived in like new condition except for white oxidation on the cadmium plated steel chassis and the factory tag still on the handle.

Audio Generator 377

The mini tube was obvious due to socket size. Dec 29, 7. A special thank you to the ‘new’ guys that helping out.

Dec 28, 6. Start of add to list layer. Sep Mon 12, 4: If it’s wired for a 6SQ7 the heater voltage will be between pins 7 and 8.


Exact same tube compliment. The exact tube line up, internal parts, even the colors of the case and front panel could be different depending on when it was made. I am working on a right now as well. The distortion was tested across a ohm load.

The VE6KQ Website – Eico Audio Generator

Every amp should have one! I also have an older version from I think the s using the older octal tubes. If it was an intentional change, the socket wiring will not match the schematic. A comprehensive manual is available on the BAMA website. Others above have already pointed out that most of the tubes in the unit are functionally similar, so you will probably find that the generator sico indeed as shown if you re-draw the eeico with the pin-outs of the tubes that are present.

Apparently it was purchased and never used. For a quick check you can just measure for the 6.

Your name or email address: Before powering it eifo I did a visual inspection of the circuitry and checked for any obvious shorts etc. The square wave performance is OK and seems to be optimal around Hz.

Delivery times may vary, especially during peak periods. Yours is a 2 gang, which means all of the resistors in the tuning circuit are different also. Edited to include the pics Sep Tue 06, 3: